const express = require('express')
const app = express()

 app.use((request, response, next) => {
    console.log('有人请求的服务器2');
    next()
 })

 app.get('/cars', (request, response) => {
     const cars = [
        {id: '001', name: '奔驰', price: 199},
        {id: '002', name: '马自达', price: 109},
        {id: '003', name: '捷达', price: 120}
     ]
     response.send(cars)
 })

 app.listen(5001, (err)=> {
    if (!err) console.log('服务器2启动成功了，请求汽车信息地址：http://localhost:5001/cars')

 })